/*
 * Copyright (C) 2011 Nanohex Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.nanohexcorp.kudocode.snapqr.db;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;

import com.nanohexcorp.kudocode.snapqr.logic.QRLinksLogic;

// SimpleDB will create a singleton object for the database.
public class SimpleDB {
	private static SimpleDB simpleDB = null;
	private static DatabaseHelper databaseHelper = null;
	private static SQLiteDatabase database = null;

	// here we can access the database table business logic
	public static QRLinksLogic QRLinksTable = null;

	// private constructor
	private SimpleDB() {
	}

	// this is called to get create an instance and pass the context
	public static synchronized SimpleDB initInstance(Context context) {
		if (simpleDB == null) {
			simpleDB = new SimpleDB();
			databaseHelper = new DatabaseHelper(context);
			database = databaseHelper.getWritableDatabase();

			// add your table below here
			QRLinksTable = new QRLinksLogic(database);
		}
		return simpleDB;
	}

	// this is called anywhere else in the application once you have created an instance
	public static synchronized SimpleDB getInstance() {
		return simpleDB;
	}
}
